The MoEF issued a notification to this effect Friday, days before the NGT was to hear the matter on July 5.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/ministry-environment-and-forests-relaxes-rules-small-rajasthan-mines
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rajasthan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mining
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-green-trbunal-ngt
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-management